The problem I've got now is that my monitor refuses to wake from standby mode anymore. Been running the system 24/7 for long time, in and out of standby, with no trouble, then it started as intermittent issue a couple of months ago and now appears to be perminently unable to wake up. I am forced to cold boot the power button on CPU and restart. I have checked power management settings - tried changing them - and still no go. The CPU will wake fine but the monitor stays in "power saving mode" (amber light on front panel). I've tried deleting the monitor in device manager and restarting but still no luck.

No other monitor handy. That would be too easy I try turning the monitor off and just letting the CPU go to standby, but when I wake the CPU and turn the monitor back on, the monitor starts up for a sec and then it goes right to the power saving mode with the amber light on the monitor front panel..........black screen!

I may just have to try an updated driver for the card. There is a new one (91.31) from nVidia but a quick peek at some forums and appeared there were some issues with it so I have hesitated updating. May have to though.